Finding the Fourth Proportional to 1,983,372.16, 2,737,219.60 and 1,112,193.02
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Solution
The fourth proportional to 1,983,372.16, 2,737,219.60 and 1,112,193.02 is: 1,534,919.46
Step by Step Solution
- Step 1: Write the proportion equation
1,983,372.16 : 2,737,219.60 = 1,112,193.02 : x - Step 2: Convert to fraction form
1,983,372.16/2,737,219.60 = 1,112,193.02/x - Step 3: Cross multiply
1,983,372.16x = 2,737,219.60 × 1,112,193.02 - Step 4: Simplify right side
1,983,372.16x = 3,044,316,533,327.19 - Step 5: Solve for x
x = 3,044,316,533,327.19/1,983,372.16 - Step 6: Final answer
x = 1,534,919.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.